1、_ SAE Technical Standards Board Rules provide that: “This report is published by SAE to advance the state of technical and engineering sciences. The use of this report is entirely voluntary, and its applicability and suitability for any particular use, including any patent infringement arising there
2、from, is the sole responsibility of the user.” SAE reviews each technical report at least every five years at which time it may be revised, reaffirmed, stabilized, or cancelled. SAE invites your written comments and suggestions. Copyright 2017 SAE International All rights reserved. No part of this p
3、ublication may be reproduced, stored in a retrieval system or transmitted, in any form or by any means, electronic, mechanical, photocopying, recording, or otherwise, without the prior written permission of SAE. TO PLACE A DOCUMENT ORDER: Tel: 877-606-7323 (inside USA and Canada) Tel: +1 724-776-497
4、0 (outside USA) Fax: 724-776-0790 Email: CustomerServicesae.org SAE WEB ADDRESS: http:/www.sae.org SAE values your input. To provide feedback on this Technical Report, please visit http:/standards.sae.org/AMS5821G AEROSPACE MATERIAL SPECIFICATION AMS5821 REV. G Issued 1961-07 Revised 2006-03 Reaffir
5、med 2017-12 Superseding AMS5821F Steel, Corrosion-Resistant, Welding Wire 12Cr (SAE 51410 Modified) Ferrite Control Grade (Composition similar to UNS S41081) RATIONALE AMS5821G has been reaffirmed to comply with the SAE Five-Year Review policy. 1. SCOPE: 1.1 Form: This specification covers a corrosi
6、on-resistant steel in the form of welding wire. 1.2 Application: This wire has been used typically as filler metal for gas-tungsten-arc or gas-metal-arc welding of corrosion-resistant steels of similar composition where the weld area is required to have strength and corrosion resistance comparable t
7、o those of the parent metal and ferrite control of the wire is provided by the composition (See 3.1), but usage is not limited to such applications. 2. APPLICABLE DOCUMENTS: The issue of the following documents in effect on the date of the purchase order forms a part of this specification to the ext
8、ent specified herein. The supplier may work to a subsequent revision of a document unless a specific document issue is specified. When the referenced document has been cancelled and no superseding document has been specified, the last published issue of that document shall apply. 2.1 SAE Publication
9、s: Available from SAE International, 400 Commonwealth Drive, Warrendale, PA 15096-0001, Tel: 877-606-7323 (inside USA and Canada) or 724-776-4970 (outside USA), www.sae.org. AMS 2248 Chemical Check Analysis Limits, Corrosion and Heat-Resistant Steels and Alloys, Maraging and Other Highly-Alloyed Ste
10、els, and Iron Alloys AMS 2371 Quality Assurance Sampling and Testing, Corrosion and Heat-Resistant Steels and Alloys, Wrought Products and Forging Stock AMS 2813 Packaging and Marking of Packages of Welding Wire, Standard Method AMS 2814 Packaging and Marking of Packages of Welding Wire, Premium Qua
11、lity AMS 2816 Identification, Welding Wire, Tab Marking Method AMS 2819 Identification, Welding Wire, Direct Color Code System AMS 5505 Steel Sheet, Strip, and Plate, Corrosion and Moderate Heat-Resistant, 12Cr (SAE 51410 Modified), Ferrite Controlled, Annealed ARP1876 Weldability Test for Weld Fill
12、er Metal Wire ARP4926 Alloy Verification and Chemical Analysis Inspection of Welding Wire 2.2 ASTM Publications: Available from ASTM International, 100 Barr Harbor Drive, P.O. Box C700, West Conshohocken, PA 19428-2959, Tel: 610-832-9585, www.astm.org. ASTM E 18 Rockwell Hardness and Rockwell Superf
13、icial Hardness of Metallic Materials ASTM E 353 Chemical Analysis of Stainless, Heat-Resisting, Maraging, and Other Similar Chromium-Nickel-Iron Alloys SAE INTERNATIONAL AMS5821G Page 2 of 7_ 3. TECHNICAL REQUIREMENTS: 3.1 Composition: Wire shall conform to the percentages by weight shown in Table 1
14、, determined by wet chemical methods in accordance with ASTM E 353, by spectrochemical methods, or by other analytical methods acceptable to purchaser. TABLE 1-Composition Element min max Carbon (3.1.3) Manganese Silicon Phosphorus Sulfur Chromium Nickel Molybdenum Aluminum Copper Tin Nitrogen 0.11
15、- - - - 11.50 - - - - - - 0.15 0.60 0.50 0.0250.02512.50 0.75 0.20 0.05 0.50 0.05 0.08 3.1.1 Check Analysis: Composition variations shall meet the applicable requirements of AMS 2248. 3.1.2 Chemical analysis of initial ingot, bar, or rod stock before drawing, other than those analyses required to be
16、 done on the finished wire, is acceptable provided the processes used for drawing or rolling, annealing, and cleaning, are controlled to ensure continued conformance to chemical composition requirements. 3.1.3 Shall be determined on the finished wire. 3.2 Condition: Cold worked, annealed, descaled,
17、and bright finished in a temper and with a surface finish which will provide proper feeding of the wire in machine welding equipment. 3.3 Fabrication: 3.3.1 Wire shall be formed from rod or bar descaled by a process which does not affect the composition of the wire. Surface irregularities inherent w
18、ith a forming process that does not tear the wire surfaces are acceptable provided the wire conforms to the tolerances of 3.6. 3.3.2 Butt welding is permissible provided both ends to be joined are alloy verified using a method capable of distinguishing the alloy from all other alloys processed in th
19、e facility, or the repair is made at the wire processing station. The butt weld shall not interfere with uniform, uninterrupted feeding of the wire in machine welding equipment. SAE INTERNATIONAL AMS5821G Page 3 of 7_ 3.3.3 In-process annealing, if required, between cold rolling or drawing operation
20、s, shall be performed in vacuum or protective atmospheres to ensure freedom from surface oxidation and absorption of other extraneous elements. 3.3.4 Residual elements, drawing compounds, oxides, dirt, oil, dissolved gasses and other foreign materials picked up during wire processing that can advers
21、ely affect the welding characteristics, the operation of the equipment, or the properties of the weld metal, shall be removed by cleaning processes that will neither result in pitting nor cause gas absorption by the wire or deposition of substances harmful to welding operations. 3.4 Properties: Wire
22、 shall conform to the following requirements: 3.4.1 Weldability: Melted wire shall flow smoothly and evenly during welding and shall produce acceptable welds, determined by a procedure acceptable to purchaser. ARP1876 may be used to resolve disputes. 3.4.2 Response to Heat Treatment: Weld metal depo
23、sits, approximately -inch (6.4-mm) thick, on AMS 5505 steel sheet shall have hardness of 39 to 44 HRC, or equivalent (See 8.2), determined in accordance with ASTM E 18, after being heated to 1700 F 10 (927 C 6), held at heat for 60 minutes 6, and cooled in still air and double tempered by heating to
24、 600 F 10 ( 316 C 5), holding at heat for 2 hours 0.25, cooling in still air, reheating to 600 F 10 (316 C 6), holding at heat for 2 hours 0.25, and cooling in still air. 3.4.3 Spooled Wire: Shall conform to 3.4.3.1 and 3.4.3.2. 3.4.3.1 Cast: Wire, wound on standard 12-inch (305-mm) diameter spools,
25、 shall have imparted to it a curvature such that a specimen sufficient in length to form one loop with a 1-inch (25-mm) overlap, when cut from the spool and laid on a flat surface, shall form a circle 15 to 50 inches (381 to 1270 mm) in diameter. 3.4.3.2 Helix: The specimen on which cast was determi
26、ned, when laid on a flat surface and measured between adjacent turns, shall show a vertical separation not greater than 1 inch (25 mm). 3.5 Quality: Wire, as received by purchaser, shall be uniform in quality and condition, sound, and free from foreign materials and from imperfections detrimental to
27、 welding operations, operation of welding equipment, or properties of the deposited weld metal. SAE INTERNATIONAL AMS5821G Page 4 of 7_ 3.6 Sizes and Tolerances: Wire shall be supplied in the sizes and to the tolerances shown in 3.6.1 and 3.6.2. 3.6.1 Diameter: Shall be as shown in Table 2. TABLE 2A
28、-Sizes and Diameter Tolerances, Inch/Pound Units Form Nominal Diameter Inch Tolerance Inch Plus and Minus Cut Lengths Cut Lengths Spools Spools Spools 0.030, 0.035, 0.045 0.062, 0.078, 0.094, 0.125, 0.156, 0.1870.007, 0.010, 0.015 0.020, 0.030, 0.035, 0.045 0.062, 0.078, 0.094 0.001 0.002 0.0005 0.0
29、01 0.002 TABLE 2B- Sizes and Diameters Tolerances, SI Units Form Nominal Diameter Millimeters Tolerance Millimeter Plus and Minus Cut Lengths Cut Lengths Spools Spools Spools 0.76, 0.89, 1.14 1.57, 1.98, 2.39, 3.18, 3.96, 4.75 0.18, 0.25, 0.38 0.51, 0.76, 0.89, 1.14 1.57, 1.98, 2.39 0.025 0.05 0.013
30、 0.025 0.05 3.6.2 Length: Cut lengths shall be furnished in 18, 27, or 36 inch (457, 686, or 914 mm) lengths, as ordered, and shall not vary more than +0, -0.5 inch (+0, -13 mm) from the length ordered. 4. QUALITY ASSURANCE PROVISIONS: 4.1 Responsibility for Inspection: The vendor of wire shall supp
31、ly all samples for vendors tests and shall be responsible for the performance of all required tests. Purchaser reserves the right to sample and to perform any confirmatory testing deemed necessary to ensure that the wire conforms to specified requirements. 4.2 Classification of Tests: 4.2.1 Acceptan
32、ce Tests: Composition (3.1), response to heat treatment (3.4.2), sizes and tolerances (3.6), and alloy verification (5.2.1) are acceptance tests and shall be performed on each heat or lot as applicable. 4.2.2 Periodic Tests: Weldability (3.4.1), cast (3.4.3.1), and helix (3.4.3.2) are periodic tests
33、 and shall be performed at a frequency selected by the vendor unless frequency of testing is specified by purchaser. SAE INTERNATIONAL AMS5821G Page 5 of 7_ 4.3 Sampling and Testing: Shall be in accordance with AMS 2371 and as specified herein. 4.4 Reports: The vendor of wire shall furnish with each
34、 shipment a report showing the results of tests for the full composition of each heat, and for the carbon content of each lot, and stating that the wire conforms to the other technical requirements of this specification. This report shall include the purchase order number, heat and lot numbers, AMS
35、5821G, nominal size, and quantity. 4.5 Resampling and Retesting: Shall be in accordance with AMS 2371. 5. PREPARATION FOR DELIVERY: 5.1 Wire shall be supplied either on spools in one continuous length for machine welding or in cut lengths for manual welding, as ordered. Wire on each spool or in each
36、 package of cut lengths shall be from the same heat of steel. 5.2 Alloy Verification: 5.2.1 Wire from each spool or package of cut lengths shall be alloy verified by a method acceptable to purchaser and vendor. The alloy verification methods of ARP4926 are recommended. 5.2.2 An 8-inch (203-mm) lengt
37、h of wire shall be made accessible at both ends of each spool for alloy verification. 5.3 Identification: Shall be in accordance with AMS 2816 unless AMS 2819 or another method is specified by purchaser. 5.4 Packaging and Marking: Shall be in accordance with AMS 2813 unless AMS 2814 or another metho
38、d is specified by purchaser. 6. ACKNOWLEDGMENT: A vendor shall mention this specification number and its revision letter in all quotations and when acknowledging purchase orders. 7. REJECTIONS: Wire not conforming to this specification, or to modifications authorized by purchaser, will be subject to
39、 rejection. SAE INTERNATIONAL AMS5821G Page 6 of 7_ 8. NOTES: 8.1 A change bar (|) located in the left margin is for the convenience of the user in locating areas where technical revisions, not editorial changes, have been made to the previous issue of this specification. An (R) symbol to the left o
40、f the document title indicates a complete revision of the specification, including technical revisions. Change bars and (R) are not used in original publications, nor in specifications that contain editorial changes only. 8.2 Hardness conversion tables for metals are presented in ASTM E 140. 8.3 Ter
41、ms used in AMS are clarified in ARP1917. 8.4 Dimensions in inch/pound units and the Fahrenheit temperatures are primary; dimensions and properties in SI units and the Celsius temperatures are shown as the approximate equivalents of the primary units and are presented only for information. 8.5 Purcha
42、se documents should specify not less than the following: AMS 5821G Size and form (spools or cut lengths) of wire desired Length of cut lengths or weight of spools desired Quantity of wire desired. 8.6 Key Words: Steel, corrosion-resistant, welding wire, UNS S41081. PREPARED UNDER THE JURISDICTION OF AMS COMMITTEE “F“ SAE INTERNATIONAL AMS5821G Page 7 of 7_
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